EP0347136A3 - Méthode de réduction de groupements nitro aromatiques - Google Patents
Méthode de réduction de groupements nitro aromatiques Download PDFInfo
- Publication number
- EP0347136A3 EP0347136A3 EP19890305892 EP89305892A EP0347136A3 EP 0347136 A3 EP0347136 A3 EP 0347136A3 EP 19890305892 EP19890305892 EP 19890305892 EP 89305892 A EP89305892 A EP 89305892A EP 0347136 A3 EP0347136 A3 EP 0347136A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- aromatic nitro
- nitro groups
- reducing aromatic
- reducing
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/325—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups reduction by other means than indicated in C07C209/34 or C07C209/36
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
- C07D231/52—Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8814003 | 1988-06-14 | ||
GB888814003A GB8814003D0 (en) | 1988-06-14 | 1988-06-14 | Method for reducing aromatic nitro groups |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0347136A2 EP0347136A2 (fr) | 1989-12-20 |
EP0347136A3 true EP0347136A3 (fr) | 1991-01-09 |
EP0347136B1 EP0347136B1 (fr) | 1994-08-17 |
Family
ID=10638583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89305892A Expired - Lifetime EP0347136B1 (fr) | 1988-06-14 | 1989-06-12 | Méthode de réduction de groupements nitro aromatiques |
Country Status (5)
Country | Link |
---|---|
US (1) | US4994576A (fr) |
EP (1) | EP0347136B1 (fr) |
JP (1) | JPH0225430A (fr) |
DE (1) | DE68917536T2 (fr) |
GB (1) | GB8814003D0 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9602919D0 (en) * | 1996-02-13 | 1996-04-10 | Univ Court Of Napier The Unive | Alignment technique |
KR100801589B1 (ko) | 2004-01-09 | 2008-02-05 | 한미약품 주식회사 | 세푸록심 악세틸 과립 및 이의 제조방법 |
CN1909889B (zh) * | 2004-01-09 | 2010-06-02 | 韩美药品株式会社 | 头孢呋辛酯颗粒及其制备方法 |
GB2410378A (en) * | 2004-01-26 | 2005-07-27 | Airspan Networks Inc | Mounting bracket for electrical equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1941377A1 (de) * | 1969-08-14 | 1971-02-25 | Hoechst Ag | Verbessertes Verfahren zur Herstellung von 1-Amino-2,5-dimethoxy-4-chlorbenzol |
BE849215A (fr) * | 1975-07-31 | 1977-06-09 | Procede semi-continu pour la preparation de composes amines |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2187820A (en) * | 1938-08-11 | 1940-01-23 | American Cyanamid Co | Separation of aromatic amines from iron sludge |
US3798271A (en) * | 1969-08-14 | 1974-03-19 | Hoechst Ag | Process for the manufacture of 1-amino-2,5-dialkoxy-4-chlorobenzenes |
US4013641A (en) * | 1975-10-08 | 1977-03-22 | Xerox Corporation | Indolobenzoxazepines |
JPS59216855A (ja) * | 1983-05-26 | 1984-12-06 | Sumitomo Chem Co Ltd | 2−ハロ−4−アミノ−6−置換フエノ−ルおよびその製造法 |
US4820452A (en) * | 1985-10-16 | 1989-04-11 | Ciba-Geigy Corporation | Bechamp reduction of DNS to DAS using H2 SO4 and trace of HOAc |
EP0221021B1 (fr) * | 1985-10-16 | 1989-11-08 | Ciba-Geigy Ag | Réduction de Béchamp de DNS en DAS par H2SO4 et trace de HOAc |
-
1988
- 1988-06-14 GB GB888814003A patent/GB8814003D0/en active Pending
-
1989
- 1989-05-30 US US07/358,048 patent/US4994576A/en not_active Expired - Fee Related
- 1989-06-12 DE DE68917536T patent/DE68917536T2/de not_active Expired - Fee Related
- 1989-06-12 EP EP89305892A patent/EP0347136B1/fr not_active Expired - Lifetime
- 1989-06-13 JP JP1148517A patent/JPH0225430A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1941377A1 (de) * | 1969-08-14 | 1971-02-25 | Hoechst Ag | Verbessertes Verfahren zur Herstellung von 1-Amino-2,5-dimethoxy-4-chlorbenzol |
BE849215A (fr) * | 1975-07-31 | 1977-06-09 | Procede semi-continu pour la preparation de composes amines |
Non-Patent Citations (1)
Title |
---|
SYNTHESIS, no. 2, February 1977, pages 118-120, Stuttgart, DE; D.C. OWSLEY et al.: "The reduction of nitroarenes with iron/acetic acid" * |
Also Published As
Publication number | Publication date |
---|---|
US4994576A (en) | 1991-02-19 |
DE68917536T2 (de) | 1995-04-13 |
EP0347136B1 (fr) | 1994-08-17 |
EP0347136A2 (fr) | 1989-12-20 |
GB8814003D0 (en) | 1988-07-20 |
DE68917536D1 (de) | 1994-09-22 |
JPH0225430A (ja) | 1990-01-26 |
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Legal Events
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